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157 lines
7.8 KiB
157 lines
7.8 KiB
# Configure paths for the CLN library
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# Richard Kreckel 12/4/2000
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# borrowed from Christian Bauer
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# stolen from Sam Lantinga
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# stolen from Manish Singh
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AC_PATH_CLN([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for installed CLN library, and define CLN_CPPFLAGS and CLN_LIBS
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dnl
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AC_DEFUN([AC_PATH_CLN],
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[dnl
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dnl Get the cppflags and libraries from the cln-config script
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dnl
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AC_ARG_WITH(cln-prefix,[ --with-cln-prefix=PFX Prefix where CLN is installed (optional)],
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cln_config_prefix="$withval", cln_config_prefix="")
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AC_ARG_WITH(cln-exec-prefix,[ --with-cln-exec-prefix=PFX Exec prefix where CLN is installed (optional)],
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cln_config_exec_prefix="$withval", cln_config_exec_prefix="")
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AC_ARG_ENABLE(clntest, [ --disable-clntest Do not try to compile and run a test CLN program],
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, enable_clntest=yes)
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if test x$cln_config_exec_prefix != x ; then
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cln_config_args="$cln_config_args --exec-prefix=$cln_config_exec_prefix"
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if test x${CLN_CONFIG+set} != xset ; then
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CLN_CONFIG=$cln_config_exec_prefix/bin/cln-config
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fi
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fi
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if test x$cln_config_prefix != x ; then
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cln_config_args="$cln_config_args --prefix=$cln_config_prefix"
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if test x${CLN_CONFIG+set} != xset ; then
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CLN_CONFIG=$cln_config_prefix/bin/cln-config
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fi
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fi
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AC_PATH_PROG(CLN_CONFIG, cln-config, no)
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cln_min_version=ifelse([$1], ,1.1.0,$1)
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AC_MSG_CHECKING(for CLN - version >= $cln_min_version)
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if test "$CLN_CONFIG" = "no" ; then
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AC_MSG_RESULT(no)
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echo "*** The cln-config script installed by CLN could not be found"
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echo "*** If CLN was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the CLN_CONFIG environment variable to the"
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echo "*** full path to cln-config."
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ifelse([$3], , :, [$3])
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else
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dnl Parse required version and the result of cln-config.
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cln_min_major_version=`echo $cln_min_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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cln_min_minor_version=`echo $cln_min_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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cln_min_micro_version=`echo $cln_min_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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CLN_CPPFLAGS=`$CLN_CONFIG $cln_config_args --cppflags`
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CLN_LIBS=`$CLN_CONFIG $cln_config_args --libs`
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cln_config_version=`$CLN_CONFIG $cln_config_args --version`
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cln_config_major_version=`echo $cln_config_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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cln_config_minor_version=`echo $cln_config_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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cln_config_micro_version=`echo $cln_config_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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dnl Check if the installed CLN is sufficiently new according to cln-config.
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if test \( $cln_config_major_version -lt $cln_min_major_version \) -o \
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\( $cln_config_major_version -eq $cln_min_major_version -a $cln_config_minor_version -lt $cln_min_minor_version \) -o \
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\( $cln_config_major_version -eq $cln_min_major_version -a $cln_config_minor_version -eq $cln_min_minor_version -a $cln_config_micro_version -lt $cln_min_micro_version \); then
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echo -e "\n*** 'cln-config --version' returned $cln_config_major_version.$cln_config_minor_version.$cln_config_micro_version, but the minimum version"
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echo "*** of CLN required is $cln_min_major_version.$cln_min_minor_version.$cln_min_micro_version. If cln-config is correct, then it is"
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echo "*** best to upgrade to the required version."
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echo "*** If cln-config was wrong, set the environment variable CLN_CONFIG"
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echo "*** to point to the correct copy of cln-config, and remove the file"
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echo "*** config.cache before re-running configure."
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ifelse([$3], , :, [$3])
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else
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dnl The versions match so far. Now do a sanity check: Does the result of cln-config
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dnl match the version of the headers and the version built into the library, too?
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no_cln=""
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if test "x$enable_clntest" = "xyes" ; then
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ac_save_CPPFLAGS="$CPPFLAGS"
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ac_save_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $CLN_CPPFLAGS"
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LIBS="$LIBS $CLN_LIBS"
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rm -f conf.clntest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <string.h>
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#include <cln/version.h>
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/* we do not #include <stdlib.h> because autoconf in C++ mode inserts a
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prototype for exit() that conflicts with the one in stdlib.h */
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extern "C" int system(const char *);
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int main(void)
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{
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system("touch conf.clntest");
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if ((CL_VERSION_MAJOR != $cln_config_major_version) ||
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(CL_VERSION_MINOR != $cln_config_minor_version) ||
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(CL_VERSION_PATCHLEVEL != $cln_config_micro_version)) {
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printf("\n*** 'cln-config --version' returned %d.%d.%d, but the header file I found\n", $cln_config_major_version, $cln_config_minor_version, $cln_config_micro_version);
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printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of CLN\n", CL_VERSION_MAJOR, CL_VERSION_MINOR, CL_VERSION_PATCHLEVEL);
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printf("*** is corrupted or you have specified some wrong -I compiler flags.\n");
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printf("*** Please inquire and consider reinstalling CLN.\n");
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return 1;
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}
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if ((cln::version_major != $cln_config_major_version) ||
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(cln::version_minor != $cln_config_minor_version) ||
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(cln::version_patchlevel != $cln_config_micro_version)) {
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printf("\n*** 'cln-config --version' returned %d.%d.%d, but the library I found\n", $cln_config_major_version, $cln_config_minor_version, $cln_config_micro_version);
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printf("*** corresponds to %d.%d.%d. This mismatch suggests your installation of CLN\n", cln::version_major, cln::version_minor, cln::version_patchlevel);
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printf("*** is corrupted or you have specified some wrong -L compiler flags.\n");
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printf("*** Please inquire and consider reinstalling CLN.\n");
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return 1;
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}
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return 0;
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}
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],, no_cln=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CPPFLAGS="$ac_save_CPPFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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if test "x$no_cln" = x ; then
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AC_MSG_RESULT([yes, $cln_config_version])
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test ! -f conf.clntest ; then
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echo "*** Could not run CLN test program, checking why..."
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CPPFLAGS="$CFLAGS $CLN_CPPFLAGS"
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LIBS="$LIBS $CLN_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <cln/version.h>
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], [ return 0; ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding CLN or finding the wrong"
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echo "*** version of CLN. If it is not finding CLN, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location. Also, make sure you have run ldconfig if that"
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echo "*** is required on your system."],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means CLN was incorrectly installed"
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echo "*** or that you have moved CLN since it was installed. In the latter case, you"
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echo "*** may want to edit the cln-config script: $CLN_CONFIG." ])
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CPPFLAGS="$ac_save_CPPFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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CLN_CPPFLAGS=""
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CLN_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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fi
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fi
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AC_SUBST(CLN_CPPFLAGS)
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AC_SUBST(CLN_LIBS)
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rm -f conf.clntest
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])
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